nginx.conf

server {
  listen 4939;
  listen [::]:4939;

  server_name localhost;

  location /health {
    return 200;
  }

  # disregard port when redirecting
  port_in_redirect off;

  # general settings
  charset UTF-8;

  # static hosting settings
  root /usr/share/nginx/html;
  index index.html;

  # static hosting optimizations
  sendfile on;
  tcp_nopush on;
  tcp_nodelay on;

  # size settings
  types_hash_max_size 2048;
  large_client_header_buffers 4 32k;
  client_max_body_size 100m;

  # gzip
  gzip on;
  gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss image/svg+xml text/javascript;

  # Don't include assets when disabling the cache. We do this because:
  # - We add a content hash to our JS assets.
  # - Our images (including our spritesheet) are versioned.
  # - Most of our styles are injected as a style element.
  location ~* \.(jpg|png|js|css)$ {}

  # disable cache and redirect URLs that don't match a file to index.html
  location / {
    # This is to disable the cache. We might only need the Cache-Control header,
    # but caching is my enemy and I want to make sure it's turned off. Pulled
    # from https://stackoverflow.com/a/45285696.
    add_header Last-Modified $date_gmt;
    add_header Cache-Control 'no-store, no-cache';
    if_modified_since off;
    expires off;
    etag off;

    try_files $uri $uri/ /;
  }
}